Table of Contents
2
CL4NX/CL6NX Service Manual
4.4 Test Print Check................................................................................................ 48
4.5 Adjusting the Print Darkness........................................................................... 50
4.6 Checking the Ribbon End Function ................................................................ 51
4.7 Checking the Head Open Error........................................................................ 52
4.8 Adjusting the LCD Brightness ......................................................................... 53
4.9 Adjusting the Head Pressure Balance ............................................................ 54
4.9.1 Adjusting the Head Pressure Balance with Adjustment Screw ............................... 54
4.9.2 Adjusting the Head Pressure Balance with Adjustment Dials ................................. 56
4.10 Adjusting the Head Alignment....................................................................... 58
4.11 Adjusting the Timing Belt Tension................................................................ 59
4.12 Adjusting the Ribbon Tension ....................................................................... 61
4.13 Adjusting the Position of the Media Sensor................................................. 63
4.14 Adjusting the Timing Belt Tension of the Optional Liner Rewinder........... 64
5 Replacement....................................................................................... 67
5.1 Removing the Housing Cover.......................................................................... 68
5.1.1 Remove the Left Housing Cover ............................................................................. 68
5.1.2 Remove the Front Covers ....................................................................................... 69
5.2 Replacing the Print Head.................................................................................. 70
5.2.1 Replacing the Print Head (without the Optional UHF RFID Antenna Installed)....... 70
5.2.2 Replacing the Print Head
(with the Optional UHF RFID Antenna Installed - CL4NX Only)....................................... 72
5.3 Replacing the Platen Roller.............................................................................. 74
5.3.1 Guideline to Replace the Linerless Platen Roller (CL4NX Only)............................. 76
5.4 Replacing the Media Sensor ............................................................................ 76
5.5 Replacing the Main (CONT) PCB ..................................................................... 78
5.6 Replacing the KB PCB...................................................................................... 80
5.7 Replacing the Power Supply Unit.................................................................... 81
5.8 Replacing the Interface Board ......................................................................... 84
5.9 Replacing the FPGA PCB (CL6NX Only)......................................................... 85
5.10 Replacing the Timing Belt .............................................................................. 86
5.11 Replacing the Head Open Sensor ................................................................. 87
5.12 Replacing the Ribbon Sensor ........................................................................ 88
5.13 Replacing the Torque Limiter for Ribbon Rewind Spindle.......................... 89
5.14 Replacing the Torque Limiter for Ribbon Supply Spindle .......................... 90